20902686

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{10589}}^1$

素因数の和:10648

約数の個数: 32

約数和(自身を含む): 48798720

約数和(自身を除く): 27896034

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 141, 282, 329, 658, 987, 1974, 10589, 21178, 31767, 63534, 74123, 148246, 222369, 444738, 497683, 995366, 1493049, 2986098, 3483781, 6967562, 10451343, 20902686]

約数ペア:

[(1, 20902686), (2, 10451343), (3, 6967562), (6, 3483781), (7, 2986098), (14, 1493049), (21, 995366), (42, 497683), (47, 444738), (94, 222369), (141, 148246), (282, 74123), (329, 63534), (658, 31767), (987, 21178), (1974, 10589)]